[openwrt/openwrt] scripts: bundle-libraries: fix build on OS X (FS#1493)

[LEDE Commits]

jow pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/746c590882b96d5ed4d4115e4bdab4c838af7806

commit 746c590882b96d5ed4d4115e4bdab4c838af7806
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Thu Apr 26 16:04:37 2018 +0200

    scripts: bundle-libraries: fix build on OS X (FS#1493)
    
    This allegedly fixes compilation of the library bundler preload library on
    Apple OS X. The resulting executables have not been runtime tested due to a
    lack of suitable test hardware.
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 scripts/bundle-libraries.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/bundle-libraries.sh b/scripts/bundle-libraries.sh
index bfe681a..620ee01 100755
--- a/scripts/bundle-libraries.sh
+++ b/scripts/bundle-libraries.sh
@@ -87,7 +87,11 @@ _runas_so() {
 			return 0;
 		}
 
+		#ifdef __APPLE__
+		__attribute__((section("__DATA,__mod_init_func")))
+		#else
 		__attribute__((section(".init_array")))
+		#endif
 		static void *mangle_arg0_constructor = &mangle_arg0;
 	EOT